table.impressao{
    border-collapse: collapse;
}

table.impressao thead tr th, table.impressao tbody tr td{
    border: 1px solid #000;
    padding: 5px;
    font-size: 14px;
}

table.impressao thead tr th{
    background: #ddd;
    font-weight: bold;
}

table.impressao tfoot tr td{
    padding-top: 20px;
    border-bottom: solid 2px #000;
}

td.espacado{
    padding-right: 40px;
}